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100
fracture in the earth's crust
fault
100
removal of salt from seawater
desalination
100
traditional market
bazaar
100
islamic place of worship
mosque
100
area in which the Arabic language originated
Arabian Peninsula
200
land suitable for farming
arable
200
largest lake in Africa
Lake Victoria
200
products derive from petroleum or natural gas
petrochemicals
200
economic goods
commodities
200
passage where freshwater from a river meets seawater
estuary
300
large crack in the earth's surface, which is located in Africa, and formed by shifting tectonic plates.
rift valley
300
government restrictions on buying and selling goods
embargo
300
towering waterfalls
cataracts
300
triangular section of land formed by sand and silt carried downriver
delta
300
steep, often jagged slopes or cliffs
escarpment
400
underground layers of porous rock, gravel, or sand that contain water
aquifer
400
one of the largest human-made lakes in the world; located in Africa
Lake Volta
400
Islam's holy book
Quran
400
language in Iran
Farsi
400
Language in south Morocco and Algeria
Berber
500
ancient desert city harvested rainwater
Petra (present day Jordan)
500
site for control of flood and irrigation waters in Egypt
Aswan High Dam
500
group of oil producing countries
OPEC
500
polluted region at the southern end of the Caspian Sea
Elburz Mountains
500
language in Israel
Hebrew